Field Notebook: MD 1945a
Page 66
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
Mine Sections Area 2 (cont) Station 110. USGS section on face of old stripping (SE corner) Shale with lenses of sandstone up to 12' thick -----------------(20'+/-) Coal ------------- 18 Coaly shale -- 4 to 8 inches Coal -------------- 18 111. USGS section. Fresh strip face +/- 25' below surface. Shale roof --------- (20' +/-) Coal ---------------- 18 Shale ------------- 1 Coal --------------- 23 114. Q.S. section Black shale roof Coal -------------- 28 Shale ------------- 2 Bony coal -------- 5 Clayey bottom.